.nav {
  list-style: none;
  border-bottom: 1px solid #bec1c1;
}

.nav > li {
  margin-bottom: -1px;
  padding: 10px 15px;
  display: inline-block;
  background: #fff;
  text-align: center;
  cursor: pointer;
  list-style: none;
}

.nav > li.active {
  border-top: 1px solid #bec1c1;
  border-right: 1px solid #bec1c1;
  border-left: 1px solid #bec1c1;
  border-bottom: 1px solid #fff;
}

.content {
  display: none;
  padding: 5px 0 0 3px;
  width: 350px;
  height: 110px;
}

.content.active {
  display: block;
}